Living Environment Translated Arabic 2014 | Page 64

Unit 6: Ecology A. Vocabulary 1. Ecology- the study of the interactions that take place among organisms and their environment 2. Biosphere- part of the Earth that supports life, including the top portion of the Earth’s crust, the atmosphere, and all of the water on the Earth’s surface 3. Ecosystem- all of the living organisms that live in an area and the nonliving features in their environment 4. Biome- large areas with similar climates and ecosystems 5. Tundra- biome found near the North Pole that is very cold, dry and treeless and winters that last 6 to 10 months. 6. Taiga- biome located south of the tundra that has long, cold winters which can last up to 6 months and cone-bearing trees. 7. Temperate deciduous forests-biome that has four seasons ( winter, spring, summer, and fall) and has deciduous trees ( have broad leaves that drop during the fall) 8. Temperate rain forests-biome that has an average temperature between 9-120 C and trees with needle-like leaves. 9. Tropical rain forest- biome that contains the most variety of organisms ( biodiversity) ; very hot and steamy area located near the equator. 10.Desert-the driest biome with thin soil that has very little organic matter; animals and plants are adapted to survive extreme conditions. 11.Grassland- biome found in temperate and tropical areas that are dominated by grasses; good for growing crops and raising sheep and cattle 12.Wetlands- a land region that is wet most or all of the year 13.Freshwater ecosystem- rivers, streams, lakes, ponds and wetlands 14.Marine ecosystem- salt-water ; includes open oceans, coral reefs, seashores, and estuaries